Figure 4.

Identification of human pancreatic stellate cells from primary tumour in metastatic nodules. A representative photomicrograph showing Y chromosome positive cells in metastatic nodules in the mesentery (inserts are high power views of the circled regions), liver and diaphragm from mice (female) injected with female pancreatic cancer cells + male human pancreatic stellate cells, using fluorescent in situ hybridisation for the Y chromosome. Reprinted with permission from Elsevier (Xu et al[63]).